expected

1:11:
  |
1 | f(x) = x +
  |           ^
unexpected end of input
expecting expression or operator

1:22:
  |
1 | g(x) = {? 5 if x > 5 .+ 4, 6 otherwise ?}
  |                      ^^
unexpected ".+"
expecting "?}", "if", "is", "let", "when", ',', expression, operator, or type annotation